Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 930

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-930 A Carlinville IL MTONILXC1MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976      
217-930 0 Carlinville IL   145J TERRA NOVA TELECOM INC. 976   2025-08-02   
217-930 2 Carlinville IL MTONILXC1MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 976   2008-03-01   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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